The ORGAtop 570445M KM mower blade is a high-quality, adaptable replacement part designed for efficient cutting performance. This blade measures 570mm in length, 50mm in width, and 4mm in thickness. It features an 18mm central mounting hole and two 8.5mm side holes, spaced 50mm apart (center to center). Weighing approximately 0.8 kg, it is a direct replacement for various OEM blades from Castelgarden, GGP, and Stiga, ensuring optimal fit and function for compatible lawn tractors and ride-on mowers.